C5-4 Air Filtration System C05019
Replacing The Filter Element
NOTE: The function of the safety filter is to increase
overall reliability and engine protection. If the safety
element indicator shows red the element has
become clogged, and should be discarded and
replaced with a new one.
1. Turn off the engine. Clean any dirt and dust
from the area around air cleaner element cover
(4, Figure 5-1).
2. Loosen large wing nut (5, Figure 5-2) on the air
cleaner cover to free main filter element (10).
Pull the main filter element from the assembly.
3. Inspect the main filter element carefully for
damage, holes or breaks which might affect
reuse of the element. If the element appears
serviceable, proceed with the cleaning
procedure. If defects are found in the element,
wing nut (5) must be removed from the
assembly and installed on the new element.
4. Check safety filter indicator (7). If the solid red
area is showing, replacement of the safety filter
is required. If the center is green, the safety fil-
ter does not require replacement.
FIGURE 5-2. AIR CLEANER ASSEMBLY
1. Dust Cap
2. Dust Cap Gasket
3. Tube
4. Unfiltered Air Inlet
5. Wing Nut
6. Wing Nut Gasket
7. Safety Element Indicator
8. End Cover
9. Safety Filter Element
10. Main Filter Element
11. Main Element Gasket
12. Clean Air Outlet
13. Pre-Cleaner Gasket
14. Safety Filter Element Gas
ket
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